Yedora, Grave Gardener, Life and Limb, and Mycologist

Prerequisites

• Yedora, Grave Gardener on the battlefield
• Life and Limb on the battlefield
• Mycologist on the battlefield
• You control a nontoken Saproling and/or creature with changeling

Steps

1. Activate Mycologist's second ability by sacrificing a nontoken Saproling or creature with changeling
2. When the creature dies, Yedora triggers, returning the creature from your graveyard to the battlefield face down as a Forest land and as a 1/1 Saproling due to Life and Limb
3. Resolve the Mycologist ability, causing you to gain 2 life
4. Repeat

Results

• Infinite death triggers
• Infinite ETB
• Infinite landfall triggers
• Infinite lifegain
• Infinite lifegain triggers
• Infinite LTB
• Infinite sacrifice triggers